make -C tools/testing/selftests TARGETS="net/forwarding" TEST_PROGS=ip6gree_hier.sh TEST_GEN_PROGS="" run_tests
make: Entering directory '/home/virtme/testing-4/tools/testing/selftests'
make[1]: Entering directory '/home/virtme/testing-4/tools/testing/selftests/net/forwarding'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/virtme/testing-4/tools/testing/selftests/net/forwarding'
make[1]: Entering directory '/home/virtme/testing-4/tools/testing/selftests/net/forwarding'
TAP version 13
1..1
# overriding timeout to 21600
# selftests: net/forwarding: ip6gre_hier.sh
# 18.86 [+18.86] TEST: GRE hierarchical IPv4-in-IPv6                                 [ OK ]
# 21.07 [+2.21] TEST: GRE hierarchical IPv6-in-IPv6                                 [ OK ]
# 24.06 [+2.99] TEST: ping GRE IPv6, packet size 1800 after MTU change              [ OK ]
# 26.69 [+2.63] TEST: GRE hierarchical IPv4-in-IPv6 (new remote)                    [ OK ]
# 28.96 [+2.27] TEST: GRE hierarchical IPv6-in-IPv6 (new remote)                    [ OK ]
# 32.10 [+3.14] TEST: GRE hierarchical IPv4-in-IPv6 (old remote)                    [ OK ]
# 34.45 [+2.35] TEST: GRE hierarchical IPv6-in-IPv6 (old remote)                    [ OK ]
ok 1 selftests: net/forwarding: ip6gre_hier.sh
make[1]: Leaving directory '/home/virtme/testing-4/tools/testing/selftests/net/forwarding'
make: Leaving directory '/home/virtme/testing-4/tools/testing/selftests'
xx__-> echo $?
0
xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak
xx__->